com.izforge.izpack.panels.checkedhello
Class CheckedHelloPanel

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JPanel
                  com.izforge.izpack.installer.gui.IzPanel
                      com.izforge.izpack.panels.hello.HelloPanel
                          com.izforge.izpack.panels.checkedhello.CheckedHelloPanel

All Implemented Interfaces:

AbstractUIHandler, ISummarisable, LayoutConstants, ImageObserver, MenuContainer, Serializable, Accessible, SwingConstants

public class CheckedHelloPanel
extends HelloPanel

An extended hello panel class which detects whether the product was already installed or not. This class should be only used if the RegistryInstallerListener will be also used. Current the check will be only performed on Windows operating system. This class can be used also as example how to use the registry stuff to get informations from the current system.

Author:

Klaus Bartz

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.izforge.izpack.installer.gui.IzPanel

IzPanel.Filler

Nested classes/interfaces inherited from class javax.swing.JPanel

JPanel.AccessibleJPanel

Nested classes/interfaces inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

Nested classes/interfaces inherited from class java.awt.Container

Container.AccessibleAWTContainer

Nested classes/interfaces inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

protected boolean

abortInstallation Flag to break installation or not.

Fields inherited from class com.izforge.izpack.installer.gui.IzPanel

DELIMITER, HEADLINE, headLineLabel, initialFocus, installData, layoutHelper, parent

Fields inherited from class javax.swing.JComponent

accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface com.izforge.izpack.api.handler.AbstractUIHandler

ANSWER_CANCEL, ANSWER_NO, ANSWER_YES, CHOICES_YES_NO

Fields inherited from interface com.izforge.izpack.gui.LayoutConstants

ABSOLUTE_STRETCH, ALL_GAP, AUTOMATIC_GAP, CONTROL_CONSTRAINT, CONTROL_GAP, CONTROL_TO_LABEL_GAP, CONTROL_TO_TEXT_GAP, CURRENT_COLUMN, CURRENT_ROW, DEFAULT_CONTROL_ALIGNMENT, DEFAULT_LABEL_ALIGNMENT, DEFAULT_TEXT_ALIGNMENT, FILL_OUT_COLUMN_HEIGHT, FILL_OUT_COLUMN_SIZE, FILL_OUT_COLUMN_WIDTH, FILLER1_GAP, FILLER13_GAP, FILLER2_GAP, FILLER4_GAP, FILLER5_GAP, FULL_COLUMN_STRETCH, FULL_LINE_COMPONENT_CONSTRAINT, FULL_LINE_CONTROL_CONSTRAINT, FULL_LINE_STRETCH, GAP_LOAD_MARKER, LABEL_CONSTRAINT, LABEL_GAP, LABEL_TO_CONTROL_GAP, LABEL_TO_TEXT_GAP, NEXT_COLUMN, NEXT_LINE, NEXT_ROW, NO_FILL_OUT_COLUMN, NO_GAP, NO_STRETCH, PARAGRAPH_GAP, RELATIVE_STRETCH, TEXT_CONSTRAINT, TEXT_GAP, TEXT_TO_CONTROL_GAP, TEXT_TO_LABEL_GAP, TOP_GAP, XDUMMY_CONSTRAINT, XY_VARIABLE_CONSTRAINT, YDUMMY_CONSTRAINT

Fields inherited from interface javax.swing.SwingConstants

BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

CheckedHelloPanel(Panel panel, InstallerFrame parent, GUIInstallData installData, Resources resources, RegistryDefaultHandler handler, Log log)
The constructor.

Method Summary

protected boolean	isRegistered() Returns whether the handled application is already registered or not.
boolean	isValidated() Indicates wether the panel has been validated or not.
protected boolean	multipleInstall() This method should only be called if this product was already installed.
void	panelActivate()

Methods inherited from class com.izforge.izpack.installer.gui.IzPanel

askQuestion, askQuestion, askWarningQuestion, canShowHelp, createInstallationRecord, createLabel, createMultiLineLabel, createMultiLineLabelLang, emitError, emitNotification, emitNotificationFeedback, emitWarning, getControlTextFont, getI18nStringForClass, getI18nStringForClass, getImageIcon, getInitialFocus, getInstallerFrame, getLAF, getLayoutHelper, getMetadata, getResources, getString, getSummaryBody, getSummaryCaption, initLayoutHelper, panelDeactivate, panelValidated, parseText, saveData, setHelpUrl, setInitialFocus, showHelp, toString

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusBackward, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

abortInstallation

protected boolean abortInstallation

Flag to break installation or not.

Constructor Detail

CheckedHelloPanel

public CheckedHelloPanel(Panel panel,
                         InstallerFrame parent,
                         GUIInstallData installData,
                         Resources resources,
                         RegistryDefaultHandler handler,
                         Log log)
                  throws Exception

The constructor.

Parameters:

panel - the panel meta-data

parent - the parent frame

installData - the installation data

resources - the resources

handler - the registry handler instance

log - the log

Throws:

Exception - if it cannot be determined if the application is registered

Method Detail

multipleInstall

protected boolean multipleInstall()
                           throws NativeLibException

This method should only be called if this product was already installed. It resolves the install path of the first already installed product and asks the user whether to install twice or not.

Returns:

whether a multiple Install should be performed or not.

Throws:

NativeLibException - for any native library error

isRegistered

protected boolean isRegistered()
                        throws Exception

Returns whether the handled application is already registered or not. The validation will be made only on systems which contains a registry (Windows).

Returns:

true if the application is registered

Throws:

Exception - if it cannot be determined if the application is registered

isValidated

public boolean isValidated()

Indicates wether the panel has been validated or not.

Overrides:

isValidated in class HelloPanel

Returns:

true if the internal abort flag is not set, else false

panelActivate

public void panelActivate()

Overrides:

panelActivate in class IzPanel